Photoperiodism in Relation to Hormones as Factors in Floral Initiation and Development

  title={Photoperiodism in Relation to Hormones as Factors in Floral Initiation and Development},
  author={K. C. Hamner and J. Bonner},
  journal={Botanical Gazette},
  pages={388 - 431}
1. A description is given of a simple method whereby one portion of a plant may be subjected to one photoperiod while another portion of the same plant is being subjected to another photoperiod. 2. Floral initiation in Xanthium pennsylvanicum results if plants are subjected to photoperiods shorter than 15 hours with accompanying dark periods of longer than 8 hours. If Xanthium plants are subjected continuously to photoperiods longer than 16 hours with accompanying dark periods shorter than 8… Expand


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